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  Why in News Recently,  Hindustan Aeronautics Ltd   (HAL) delivered the  heaviest semi-cryogenic propellant tank  (SC120- LOX) to the  Indian Space Research Organization (ISRO). In 2020, HAL delivered the  biggest ever cryogenic Liquid Hydrogen tank  (C32-LH2) to ISRO. Key Points About: The  semi cryo-liquid oxygen (LOX) tank -  the first developmental welded hardware -  is a part of the SC120 stage intended for payload enhancement  by replacing the L110 stage  in the existing Mk-III launch vehicle. GSLV Mk III   is a three-stage heavy-lift launch vehicle developed by ISRO. The vehicle has two solid strap-ons, a core liquid booster and a cryogenic upper stage. Cryogenic Engine: A cryogenic engine/cryogenic stage is the  last stage of space launch vehicles which makes use of Cryogenics. Cryogenics is the study of the production and behaviour of materials at extremely low temperatures (below -150 degree Centigrade) to lift and place heavier objects in space. A cryogenic engine provides 

  Why in News Recently, India joined the  High Ambition Coalition (HAC) for Nature and People. India is the first of the  BRICS  (Brazil, Russia, India, China and South Africa) to join the HAC. Key Points About: It is  an intergovernmental group  championing a global deal for nature and people that can  halt the accelerating loss of species, and protect vital ecosystems  that are the source of our economic security. It was  launched in 2019  by  Costa Rica, France  and  Britain. It is  co-chaired by Costa Rica  and  France  and the  Ocean co-chair  belongs to the  United Kingdom. Aim: To  promote an international agreement  to protect at least 30% of the world's land and ocean by 2030  (Global 30×30 target). To  manage the planet sustainably  with no net loss of natural habitats, supported by a circular economy, and strives for the sustainable and equitable sharing of benefits from nature. Members: It has  more than 70 countries  which are a mix of countries in the global north and

  Recently, scientists have developed a  New biodegradable polymer , using  Guar Gum, and   Chitosan , which has high potential for packaging material. Key Points: About: It is a  guar gum-chitosan composite film  which is a  cross-linked polysaccharide  developed with the help of  solution casting method  (a simple technique to make polymer films). It overcomes the challenges of polysaccharides. Polysaccharides  is one of the  biopolymers with high potential for use in synthesis of packaging material. However, due to some drawbacks of polysaccharides, such as low mechanical properties, high water-solubility, and low barrier properties, they are not preferred. Guar Gum,  and  Chitosan  are polysaccharides extracted from guar beans and shells of crab and shrimps. Properties of the Film: High water stability, high mechanical strength  as well as  excellent resistance  towards harsh environmental conditions. The fabricated cross-linked film is  not easily soluble in water . As per scienti

 Deepar Beel Wild life sanctuary- Assam 🅾️It is a permanent freshwater lake, in a former channel of the Brahmaputra River, to the south of the main river.Beel means wetland or large aquatic body in Assamese. 🅾️It is a wetland under the Ramsar Convention which has listed since November 2002, 🅾️It is also an important bird sanctuary habituating many migrant species. 🅾️Freshwater fish is a vital protein and source of income for these communities; the health of these people is stated to be directly dependent on the health of this wetland ecosystem. 🅾️An RTI petition was filed previously, the National Green Tribunal – NGT directed the Assam government to declare the area around Deepor Beel an Eco Sensitive Zone in order to address the growing conservation threats to it.

 ■ MISSION SAGAR - IV □ WHY IN NEWS ? As part of Mission Sagar-IV, Indian Naval Ship Jalashwa has arrived at Port Anjouan, Comoros to deliver 1,000 Metric Tonnes of rice. □ ABOUT :- ◇ SAGAR is a term coined by PM Modi in 2015 during his Mauritius visit with a focus on the blue economy. ◇ It is a maritime initiative that gives priority to the Indian Ocean region for ensuring peace, stability and prosperity of India in the Indian Ocean region. ◇ The goal is to seek a climate of trust and transparency; respect for international maritime rules and norms by all countries; sensitivity to each other`s interests; peaceful resolution of maritime issues; and an increase in maritime cooperation. ◇ It is in line with the principles of the Indian Ocean Rim Association.

 MARITIME BORDER DISPUTE BETWEEN KENYA AND SOMALIA □ WHY IN NEWS ? In a move that is set to further undermine stability in East Africa, Kenya has said that it will not take part in proceedings of the International Court of Justice (ICJ) over its maritime border dispute. □ ABOUT :- ◇ Main point of disagreement between the two neighbours is the direction in which their maritime boundary in the Indian Ocean should extend. ◇ According to Somalia, the sea border should be an extension of the same direction in which their land border runs as it approaches the Indian Ocean, i.e. towards the southeast. ◇ Kenya, on the other hand, argues that the territorial southeast border should take a 45-degree turn as it reaches the sea, and then run in a latitudinal direction, i.e. parallel to the equator. ◇ Such an arrangement would be advantageous for Kenya, whose coastline of 536 km is more than 6 times smaller than Somalia’s (3,333 km).